DE69908230D1 - Process for the preparation of alpha-hydroxycarboxylates - Google Patents

Process for the preparation of alpha-hydroxycarboxylates

Info

Publication number
DE69908230D1
DE69908230D1 DE69908230T DE69908230T DE69908230D1 DE 69908230 D1 DE69908230 D1 DE 69908230D1 DE 69908230 T DE69908230 T DE 69908230T DE 69908230 T DE69908230 T DE 69908230T DE 69908230 D1 DE69908230 D1 DE 69908230D1
Authority
DE
Germany
Prior art keywords
hydroxycarboxylates
alpha
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69908230T
Other languages
German (de)
Other versions
DE69908230T2 (en
Inventor
Kenichi Nakamura
Futoshi Kawataka
Kazuhiro Yamada
Wataru Ueno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10077369A external-priority patent/JPH11279120A/en
Priority claimed from JP10102881A external-priority patent/JPH11292825A/en
Priority claimed from JP10102880A external-priority patent/JPH11292824A/en
Priority claimed from JP10194447A external-priority patent/JP2000026370A/en
Application filed by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Application granted granted Critical
Publication of DE69908230D1 publication Critical patent/DE69908230D1/en
Publication of DE69908230T2 publication Critical patent/DE69908230T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/18—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
DE69908230T 1998-03-25 1999-03-13 Process for the preparation of alpha-hydroxycarboxylates Expired - Lifetime DE69908230T2 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP10077369A JPH11279120A (en) 1998-03-25 1998-03-25 Production of alpha-hydroxycarboylate
JP7736998 1998-03-25
JP10288198 1998-04-14
JP10102881A JPH11292825A (en) 1998-04-14 1998-04-14 Production of alpha-hydroxycarboxylate
JP10102880A JPH11292824A (en) 1998-04-14 1998-04-14 Production of alpha-hydroxycarboxylate
JP10288098 1998-04-14
JP10194447A JP2000026370A (en) 1998-07-09 1998-07-09 Production of alpha-hydroxycarboxylic ester
JP19444798 1998-07-09
US09/274,863 US6310236B1 (en) 1998-03-25 1999-03-23 Process for preparing α-hydroxycarboxylate

Publications (2)

Publication Number Publication Date
DE69908230D1 true DE69908230D1 (en) 2003-07-03
DE69908230T2 DE69908230T2 (en) 2004-04-08

Family

ID=27524664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69908230T Expired - Lifetime DE69908230T2 (en) 1998-03-25 1999-03-13 Process for the preparation of alpha-hydroxycarboxylates

Country Status (5)

Country Link
US (1) US6310236B1 (en)
EP (1) EP0945423B1 (en)
DE (1) DE69908230T2 (en)
ES (1) ES2200429T3 (en)
TW (1) TW442466B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10353934A1 (en) 2003-11-18 2005-06-23 Sasol Germany Gmbh Process for the preparation of metal salts of trifluoromethanesulfonic acid and their use as esterification catalysts
US8569539B2 (en) 2006-05-15 2013-10-29 Evonik Roehm Gmbh Process for preparing alpha-hydroxycarboxylic esters
DE102006022896A1 (en) * 2006-05-15 2007-11-22 Röhm Gmbh Continuous preparation of alpha-hydroxycarboxylic ester comprises reacting reactants of alpha-hydroxycarbamide with alcohol, feeding the reactant into a pressure reactor and depleting the product mixture in alcohol and ammonia
DE102007011706A1 (en) 2007-03-08 2008-09-11 Evonik Röhm Gmbh Continuous preparation of alpha-hydroxycarboxylic ester comprises reacting reactants of alpha-hydroxycarbamide with alcohol, feeding the reactant into a pressure reactor and depleting the product mixture in alcohol and ammonia
BRPI0711627A2 (en) * 2006-05-15 2011-12-06 Evonik Roehm Gmbh method for making alpha hydroxy carboxylic acids
DE102006034273A1 (en) * 2006-07-21 2008-01-24 Röhm Gmbh Process for the preparation of alpha-hydroxycarboxylic acids
CN101434537B (en) * 2007-11-14 2013-07-10 中国石油化学工业开发股份有限公司 Preparation of organic carboxylic ether
TW201024259A (en) * 2008-12-24 2010-07-01 China Petrochemical Dev Corp Method for preparing organic carboxylic acid ester
DE102011081256A1 (en) 2011-08-19 2013-02-21 Evonik Röhm Gmbh Process for the preparation of alpha-hydroxycarboxylic acid esters
DE102013213699A1 (en) * 2013-07-12 2015-01-15 Evonik Industries Ag Process for the preparation of alpha-hydroxycarboxylic acid esters
FR3012139B1 (en) * 2013-10-18 2016-08-26 Arkema France ESTERIFICATION UNIT FOR THE PRODUCTION OF RAW METHYL METHACRYLATE, ESTERIFICATION METHOD USING SAID UNIT AND INSTALLATION COMPRISING SAID UNIT
CN106660930A (en) 2014-08-01 2017-05-10 赢创罗姆有限公司 Method for producing alpha-hydroxy carboxylic esters in the gas phase
US10227284B2 (en) 2014-09-10 2019-03-12 Evonik Roehm Gmbh Method for preparing alpha-hydroxycarboxylic acid esters in which ammonia is recycled
EP3026039A1 (en) 2014-11-25 2016-06-01 Evonik Röhm GmbH Regeneration of heterogeneous catalysts in the production of alpha- or beta-substituted carboxylic acid esters
US10696617B2 (en) 2017-05-08 2020-06-30 Asymchem Laboratories (Tianjin) Co., Ltd Method for alcoholysis of amide
EP3760607A4 (en) 2018-02-28 2021-10-20 Takasago International Corporation Method for converting n,n-dialkylamide compound into ester compound using complex of fourth-period transition metal as catalyst

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041820A (en) * 1933-05-13 1936-05-26 Ici Ltd Production of esters
FR2315498A1 (en) * 1975-06-26 1977-01-21 Roehm Gmbh PROCESS FOR PREPARING CARBOXYLIC ACID ESTERS FROM CARBOXYLIC ACID AMINES
US4161609A (en) * 1977-09-14 1979-07-17 E. I. Du Pont De Nemours And Company Synthesis of carboxylic acid esters
JPS5767534A (en) * 1980-10-16 1982-04-24 Mitsui Toatsu Chem Inc Preparation of alpha,beta-unsaturated carboxylic ester and alpha,beta-unsaturated carboxylic acid
US4450112A (en) * 1981-11-25 1984-05-22 E. I. Du Pont De Nemours And Company Process for converting nitriles to carboxylic esters
US4613684A (en) * 1983-10-06 1986-09-23 Mitsubishi Gas Chemical Company, Inc. Process for the preparation of carboxylic acid esters
JP2580706B2 (en) * 1988-05-16 1997-02-12 三菱瓦斯化学株式会社 Method for producing carboxylic acid ester
JP3222639B2 (en) * 1993-06-15 2001-10-29 三菱レイヨン株式会社 Method for producing α-hydroxyisobutyrate
JPH07258154A (en) * 1994-03-25 1995-10-09 Nitto Chem Ind Co Ltd Production of lactic acid ester
JP3229496B2 (en) * 1994-09-06 2001-11-19 三菱レイヨン株式会社 Method for producing hydroxycarboxylic acid ester

Also Published As

Publication number Publication date
EP0945423A2 (en) 1999-09-29
DE69908230T2 (en) 2004-04-08
EP0945423B1 (en) 2003-05-28
EP0945423A3 (en) 2000-01-12
ES2200429T3 (en) 2004-03-01
US6310236B1 (en) 2001-10-30
TW442466B (en) 2001-06-23

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Legal Events

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